CN103342068B - Fluorescent screen - Google Patents

Abstract

The invention discloses a fluorescent screen which comprises a shell body, a circuit board which is fixed on the shell body through screws, a display screen which is fixed through the circuit board and a panel which is bound and fixed on the shell body through adhesive tapes, wherein a fixing device which is used for limiting and fixing the panel is arranged on the fluorescent screen. Due to the fact that the fixing device which is used for limiting and fixing the panel is arranged on the fluorescent screen, the fixing device can limit and fix the panel so that the panel can be firmly fixed on the shell body and the panel can be prevented from loosening, the fixing device can also protect the panel, the fixing device can play a role in protecting the panel when the panel is squeezed, and the panel is prevented from damage to a certain extent.

Description

a fluorescent plate

technical field

The invention relates to the field of household appliances, more specifically, to a fluorescent plate.

Background technique

The fluorescent boards currently on the market, also known as fluorescent handwriting boards, LED electronic handwriting fluorescent boards, LED fluorescent boards, electronic fluorescent boards or cable color fluorescent boards, etc., are written on the fluorescent board with a fluorescent pen, plugged in, and passed through the fluorescent screen. The LED high-brightness patch light source on the side of the board shines on the acrylic panel or ultra-white glass panel, and the words written by the highlighter emit different colors and different modes of effects, which are very attractive to the eye. Fluorescent panels are mainly used in: electronics industry, catering industry, communication industry, stationery industry, gift jewelry industry and so on.

The applicant has designed a fluorescent board, which is a cuboid with a plate-like structure, and its height is much smaller than its length and width. It includes a casing, a circuit board fixed on the casing by screws, and fixed on the casing by adhesive tape panel, a highlighter for writing on the panel, a battery for power supply, and an alarm clock. The alarm clock includes a display screen for displaying the time, buttons for adjusting the time, and a speaker for sounding. Because the fluorescent board is provided with a battery, it is convenient to use anytime and anywhere, and the fluorescent board is small in size and easy to carry; and because an alarm clock is provided, people can write on the fluorescent board what time they need to do, and then perform timing. When the time comes, the horn will sound to remind the user, so as to prevent the user from forgetting and improve the work efficiency. This program has not been made public. However, since the panel is bonded and fixed on the casing by adhesive tape, and the casing is provided with a through hole for the display panel, once the panel is squeezed during use or carrying, the adhesive tape is easily torn, so that the panel may loose or damaged.

Contents of the invention

The technical problem to be solved by the present invention is to provide a fluorescent panel whose panel is firmly fixed and not easily damaged.

The purpose of the present invention is achieved through the following technical solutions: a fluorescent plate, including a housing, a circuit board fixed on the housing by screws, a display screen fixed by the circuit board and glued and fixed on the housing by adhesive tape The fluorescent panel is provided with a fixing device for limiting and fixing the panel.

Preferably, the housing is provided with a first through hole for the display panel, the fixing device includes a limiting column arranged around the first through hole, and the panel is provided with a limiting hole that cooperates with the limiting column. The panel is arranged at the first through hole, and the limiting column is inserted into the limiting hole of the panel, so as to limit the panel, prevent the panel from moving left and right, and facilitate fixing.

Preferably, the cross-section of the panel is rectangular, and the number of the limiting holes is four, which are respectively arranged at four corners of the panel. The position and number of the limit posts are matched with the position and number of the limit holes, and the limit holes are arranged at the four corners of the panel to limit the panel evenly, so that the limit effect is good.

Preferably, the panel is provided with ends placed between the circuit board and the display screen. The circuit board is fixed on the housing by screws, the circuit board is set above the display screen, thereby fixing the display screen, and the end on the panel is set between the display screen and the circuit board, so that the circuit board not only fixes the display screen, but also fixes the end, thereby securing the panel.

Preferably, the housing is provided with a second through hole for displaying the display screen, the edge of the second through hole is provided with an outward depression, and protrudes from the outer surface of the housing, the display screen is placed on the depression, and the The ends fit snugly against the display. The display screen cooperates with the depression, and the end part fits snugly with the display screen, so that when the panel is fixed on the housing, it does not need to be placed obliquely, but can be placed flat, which facilitates fixing and makes the fixing more firm.

Preferably, the end is provided with a third through hole or a groove for avoiding the cooperation between the display screen and the circuit board. The display screen is in communication with the circuit board, and a groove can be provided on the top of the end to facilitate the communication between the display screen and the circuit board, and a third through hole can also be provided on it to facilitate the cooperation and communication between the display screen and the circuit board.

Preferably, the housing is provided with four screw hole columns matched with the circuit board, two of which are respectively located on both sides of the end, and the other two are arranged at the connection between the end and the panel, and the panel is provided with two screw holes. Hole The post hole that the post fits. The cooperation between the screw hole post and the post hole can further limit the panel.

Preferably, the housing includes a front shell and a rear shell, the display screen and the panel are arranged on the front shell, and the fixing device further includes a supporting column arranged on the rear shell, when the front shell and the rear shell are fixed, the supporting column Fit snugly with the panel. The firmness of fixing the panel can be greatly increased through the support column. When the panel is squeezed, the support column will support the panel under force to prevent the adhesive tape from losing its effect.

Preferably, there are four support columns and they are set corresponding to the positions of the limit columns, and the support columns are provided with grooves for placing the limit columns. The limit column is placed in the groove of the support column, and the front shell and the rear shell are limited to each other to avoid left and right movement, thereby preventing the support column from damaging the panel.

Preferably, the fixing device further includes a support member bonded between the panel and the rear shell by glue or double-sided tape, the support member is made of soft material and has elasticity, and is arranged at multiple intervals. The support column is set at the edge of the panel to avoid damage to the panel when the panel is subjected to a large extrusion or during installation. However, since the support is made of soft material and has elasticity, it will not damage the panel during installation. Moreover, when the panel is squeezed, the supporting member will be compressed accordingly, and after being squeezed, the supporting member will expand and contract to its original state, thus playing a great role in limiting and protecting the panel.

In the present invention, a fixing device for limiting and fixing the panel is provided on the fluorescent plate, so that the fixing device can limit and fix the panel, so that the panel can be firmly fixed on the housing to prevent the panel from loosening; moreover, the fixing device can also protect the When the panel is squeezed, the fixing device can protect the panel and prevent the panel from being damaged to a certain extent.

Description of drawings

Fig. 1 is the overall structural diagram of fluorescent plate of the present invention;

Fig. 2 is a structural schematic diagram of the face shell described in the embodiment of the present invention;

Fig. 3 is a structural schematic diagram of the rear case described in the embodiment of the present invention;

Fig. 4 is a cross-sectional view of the phosphor plate according to the embodiment of the present invention.

Among them: 1. fluorescent plate; 2. face shell; 21. first through hole; 22. second through hole; 23. limit post; 24. screw hole post; 25. depression; 3. panel; 31. end ; 4. Display screen; 5. Circuit board; 6. Back shell; 61. Support column; 62. Groove.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

A fluorescent board, including a housing, a circuit board fixed on the housing by screws, a display screen fixed by the circuit board, and a panel fixed on the housing by adhesive tape, as shown in Figures 1 to 4, fluorescent The board 1 is provided with a fixing device for limiting and fixing the panel 3 . In the present invention, a fixing device for limiting and fixing the panel 3 is provided on the fluorescent plate 1, so that the fixing device can limit and fix the panel 3, so that the panel 3 is firmly fixed on the housing to prevent the panel from loosening; and the fixing The device can also protect the panel 3. When the panel 3 is squeezed, the fixing device can protect the panel 3 and prevent the panel 3 from being damaged to a certain extent.

The housing of the fluorescent panel of the present invention includes a face shell 2 and a rear shell 6, and the face shell 2 and the rear shell 6 are fixed by screws, wherein the panel 2, the display screen 4 and the circuit board 5 are all installed and fixed on the face shell 2 The fluorescent board 1 also includes a battery for power supply and an alarm clock, the alarm clock includes the display screen 4 and the horn, the horn is glued and fixed on the rear shell 6, and the rear shell 6 is provided with a placement groove for placing the battery and The sound outlet for sound output, so that people can write on the fluorescent plate 1 what time they need to do, and then perform timing, and the horn will sound when the time comes, thereby reminding the user, preventing the user from forgetting, and improving work efficiency. Of course, it can also be used as an alarm clock. And so on for other effects.

In this embodiment, the panel 3 is limited and fixed by the fixing device, and then glued and fixed by adhesive tape.

In this embodiment, the limiting device includes a limiting column 23, a supporting column 61 and a support member, so that the panel 3 is firmly fixed on the housing to prevent the panel 3 from loosening; and the fixing device can also protect the panel 3, When the panel 3 is squeezed, the fixing device can protect the panel 3 and prevent the panel 3 from being damaged to a certain extent, as follows.

In this embodiment, the housing is provided with a first through hole 21 for the display panel 3, specifically, the first through hole 21 is provided on the face shell 2, so as to facilitate use, and the fixing device includes a A limit column 23 around the through hole 21, the panel 3 is provided with a limit hole cooperating with the limit column 23, and the limit column 23 is inserted into the limit hole of the panel 3, so as to limit the panel 3 and avoid The panel 3 moves left and right, thereby facilitating fixing. More specifically, the limiting column 23 is cylindrical, the limiting hole is a circular hole, and the diameter of the cross section of the limiting column 23 is smaller than the diameter of the limiting hole, thereby facilitating the cooperation between the limiting column 23 and the limiting hole. The cross-section of the panel 3 is rectangular, and the number of the limit holes is four, which are respectively arranged at the four corners of the panel 3, and the limit posts 23 are also provided with four and cooperate with the position of the limit holes Arranging and cooperating, the limiting column 23 evenly limits the panel 3 in this way, so that the limiting effect is good.

In this embodiment, the housing includes a face shell 2 and a rear shell 6, the display screen 4 and the panel 3 are arranged on the face shell 2, and the fixing device further includes a support column 61 arranged on the rear shell 6 , when the front shell 2 and the rear shell 6 are fixed, the support column 61 is closely matched with the panel 3, and the fixing firmness of the panel 3 can be greatly increased through the support column 61. When the panel 3 is squeezed, the support column 61 will be supported by force The panel 3 is used to prevent the adhesive tape from losing its effect. Specifically, the supporting columns 61 are four and are respectively set at the positions corresponding to the position limiting columns 23. The supporting columns 61 are provided with grooves 62 for placing the limiting columns 23; 23 is cylindrical, the corresponding groove 62 is a circular groove, and the supporting column 61 is also cylindrical, the limiting column 23 is placed in the groove 62 of the supporting column 61, and the front shell 2 and the rear shell 6 are mutually The position is limited to avoid moving left and right, so as to prevent the support column 61 from damaging the panel 3 . Moreover, the limiting column 23 is arranged around the first through hole 21 , and the contact part between the supporting column 61 and the panel 3 is the non-displaying part of the panel 3 . Of course, other structural shapes and numbers of support columns 61 can also be provided to limit and fix the panel 3 .

Since the support column 61 is only limited and fixed on the non-display part of the panel 3, the display part of the panel 3 cannot be supported and protected. In this embodiment, the fixing device also includes The supporting member between the panel 3 and the rear case 6 is made of soft material and has elasticity, and is arranged at multiple intervals. Support column 61 is arranged at panel 3 edge place and just avoids panel 3 when panel 3 is subjected to greater extrusion or damages panel 3 in installation process, yet because support member is made of soft material and has elasticity, thus can not be installed during installation. Damage to the panel 3, and when the panel 3 is squeezed, the support will be compressed accordingly, and the support will expand and contract to the original state after the extrusion, thus playing a great role in limiting and protecting the panel 3. The supporting member described in this embodiment is also cylindrical, and the number of supporting members is three, which are arranged at intervals on the display part of the panel 3 . Of course, other structures or numbers of support members can also be provided to limit and protect the panel.

In this embodiment, the panel 3 is provided with an end 31 placed between the circuit board 5 and the display screen 4, the circuit board 5 is fixed on the casing by screws, and the circuit board 5 is arranged above the display screen 4, so that To fix the display screen 4, the end portion 31 on the panel 3 is arranged between the display screen 4 and the circuit board 5, so that the circuit board 5 not only fixes the display screen 4, but also fixes the end portion 31, thereby fixing the panel 3. The casing is provided with a second through hole 22 for displaying the display screen 4. Specifically, the second through hole 22 is arranged on the face shell 2 and is located on the upper part of the first through hole 21 for placing the panel 3. The second through hole 22 is provided with an outward recess 25 on the edge, and protrudes from the outer surface of the housing. The display screen 4 is placed on the recess 25, and the end 31 is close to the display screen 4, so that the display screen 4 cooperates with the recess 25 after setting. Specifically, the cross-section of the display screen 4 is rectangular, and the corresponding depression 25 is also rectangular, and the side wall of the depression 25 is provided with two spaced convex points, and the display screen 4 corresponds to the space between the two convex points. A second convex point is set, and the second convex point cooperates with the interval, so as to limit the display screen 4, so that the display screen 4 is fixed more firmly; the end 31 is closely matched with the display screen 4, so that the panel 3 When it is fixed on the housing, it does not need to be placed obliquely, but can be placed flat, which facilitates fixing and makes the fixing more firm.

In this embodiment, the housing is provided with four screw hole columns 24 that cooperate with the circuit board 5, two of which are respectively located on both sides of the end portion 31, and the other two are arranged at the connection between the end portion 31 and the panel 3, And the panel 3 is provided with two column holes that cooperate with the screw hole columns 24, the screw hole columns 24 cooperate with the column holes to further limit the panel 3, a rectangular space is formed between the screw hole columns 24, The end portion 31 is also rectangular. In this embodiment, a larger end portion can also be provided, and two post holes cooperating with screw hole posts are provided on both sides of the top end of the end portion, thereby increasing the limiting area.

In this embodiment, the end 31 is provided with a third through hole to avoid the cooperation between the display screen 4 and the circuit board 5, and the display screen 4 and the circuit board 5 are connected to display, and the third through hole is provided to facilitate the display screen 4. Cooperate and communicate with the circuit board 5, and the third through hole is a rectangular through hole; of course, the third through hole can also be replaced by a groove, that is, the end can be provided with a groove at the top to facilitate the communication between the display screen and the circuit board.

In this embodiment, the fluorescent board 1 also includes LED lights arranged on the circuit board 5, the number of the LED lights is three, and arranged at intervals, the LED lights are arranged between the panel 3 and the display screen 4, and the panel 3 Three lamp holes for placing LED lamps are provided at the connection between it and the end portion 31 , so that the edge LED lamps are displayed between the panel 3 and the display screen 4 .

In this embodiment, the first through hole 21 is a rectangular through hole, and the edge of the first through hole 21 is provided with an inward convex edge, and the distance between the outer surface of the convex edge and the outer surface of the shell of the first through hole 21 gradually decreases. , so as to form a certain slope, cooperate with the panel 3, and the appearance is more beautiful.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (7)

1. a fluorescent plate, comprises housing, the circuit board be screwed on housing, the display screen fixed by circuit board and the panel that is adhesively fixed on housing by adhesive tape, and it is characterized in that, fluorescent plate is provided with the fixture for spacing fixed panel; Described housing is provided with the first through hole for display floater, and described fixture comprises the limited post be arranged on around the first through hole, and panel is provided with the spacing hole coordinated with limited post; Described housing comprises face-piece and back cover, and described display screen and panel are arranged on face-piece, and described fixture also comprises the support column be arranged on back cover, support column and panel snug fit when face-piece and back cover are fixed; Described fixture also comprises the support member between panel and back cover by glue or adhered by double sided plaster, and described support member is that soft material is made, and is that multiple interval is arranged.

2. fluorescent plate as claimed in claim 1, it is characterized in that, the cross section of described panel is rectangle, and the number of described spacing hole is four, is separately positioned on four angles place of panel.

3. fluorescent plate as claimed in claim 1, it is characterized in that, described panel is provided with the end be placed between circuit board and display screen.

4. fluorescent plate as claimed in claim 3, it is characterized in that, described housing is provided with the second through hole for showing display screen, second through hole edge is provided with outside depression, and protrude in housing outer surface, described display screen is placed in depression, and described end is adjacent to display screen.

5. fluorescent plate as claimed in claim 4, is characterized in that, described end is provided with the third through-hole or groove of dodging display screen and circuit board cooperation.

6. fluorescent plate as claimed in claim 4, it is characterized in that, described housing is provided with four screw hole posts coordinated with circuit board, and wherein two lay respectively at both sides, end, two other is arranged on end and panel junction, and panel is provided with two post holes coordinated with screw hole post.

7. fluorescent plate as claimed in claim 1, is characterized in that, described support column is four and corresponding limited post position is arranged respectively, and support column is provided with the groove for placing limited post.